add options to bind to unix socket or file descriptor
add options to bind to unix socket or file descriptor

AaronFriel/hs-tls,lancelotsix/hs-tls,tolysz/hs-tls,beni55/hs-tls,erikd/hs-tls,lancelotsix/hs-tls,AaronFriel/hs-tls,beni55/hs-tls,tolysz/hs-tls,erikd/hs-tls